USD371374SExpiredUtility

Asymmetrical button insert for rock drilling

Assignee: SANDVIK ABPriority: Apr 12, 1995Filed: Apr 12, 1995Granted: Jul 2, 1996

Est. expiryApr 12, 2015(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for an asymmetrical button insert for rock drilling, as shown.

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